Secure Mobile Verification with SMS OTP

Reliable One-Time Password delivery for your mobile applications and websites

Start Sending OTPs Today

Why Choose iSMS for OTP Delivery?

Mobile App Ready

Perfect for Android and iOS applications requiring phone number verification. Our API integrates seamlessly with your mobile apps.

Instant Delivery

99.9% uptime with average delivery times under 5 seconds. Critical for time-sensitive OTP validations.

Bank-Level Security

Trusted by financial institutions for secure authentication. End-to-end encrypted delivery for your OTP codes.

Detailed Reporting

Real-time delivery reports and analytics to monitor your OTP success rates and performance.

Global Reach

Send OTPs to Malaysia, Singapore, Philippines and 200+ countries worldwide with our extensive network.

Cost Effective

Competitive pricing with volume discounts available. Pay only for delivered OTP messages.

Simple API Integration

Developer Friendly OTP API

Our RESTful API makes it simple to integrate SMS OTP functionality into your applications:

  • Simple HTTP/HTTPS requests
  • Comprehensive documentation
  • Sample code for all major languages
  • Sandbox environment for testing
  • Webhook support for delivery notifications

Quick Implementation

Most developers can implement our OTP API in less than 1 hour. We provide ready-to-use code snippets for:

  • Android (Java/Kotlin)
  • iOS (Swift/Objective-C)
  • Web Applications (JavaScript, PHP, Python, etc.)

Sample API Request

POST /api/send_otp HTTP/1.1
Host: api.isms.com.my
Content-Type: application/json

{
  "apikey": "your_api_key",
  "mobile": "60123456789",
  "message": "Your verification code is {code}",
  "senderid": "YOURAPP",
  "code_length": 6,
  "expiry": 300
}

This simple request will trigger an OTP SMS to be sent to the specified mobile number.

How Our OTP Service Works

1

User Requests OTP

User enters their mobile number in your app or website and requests verification.

2

API Call to iSMS

Your system calls our API with the user's mobile number and OTP parameters.

3

OTP SMS Sent

We generate a unique code and deliver it via SMS to the user's phone.

4

User Verification

User enters the received code in your app to complete verification.

Advanced OTP Features

Customization

  • 4-8 digit code length
  • Customizable SMS templates
  • Multiple language support

Expiry Control

  • Configurable expiry time (1-30 minutes)
  • Automatic code invalidation
  • Resend limitations

Analytics

  • Real-time delivery reports
  • Success/failure tracking
  • API call logs

Enhanced with U20.Me Integration

Seamless Integration with U20.Me

iSMS now partners with U20.Me to provide additional value-added services that complement our OTP solution:

URL Shortener

Include shortened links in your OTP messages when additional verification steps are required.

Unsubscribe System

Compliance-friendly opt-out mechanism for non-OTP communications.

QR Code Generation

Combine OTP with QR codes for enhanced two-factor authentication flows.

Address Book Sync

Automatically maintain updated contact lists across platforms.

U20.Me Integration

Ready to Implement SMS OTP Verification?

Get started with our reliable OTP service today and enhance your application security.

Contact Our Team

or call us at +603-1234 5678 (Malaysia)